| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 6324 | 
                                                                 
                                    
                                    76.7%
                                 
                                                             | 
                                                        
                    
| 1 | (1-2) times | 901 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    
| 2 | (3-10) times | 649 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    
| 3 | More than 10 times | 361 | 
                                                                 
                                    
                                    4.4%
                                 
                                                             | 
                                                        
                    
| 9 | I don’t know/ no answer | 5 | |
| Sysmiss | 4 |